All Patents in class 220/4.22


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All Patents in class 220/4.22
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	150,752	May 12, 1874	I. Dunham	Improvement in Cooking Utensils
	171,200	Dec. 14, 1875	W. Wachs	Baker and Roaster